MediaWiki edit comment formatting denial of service

mediawiki-comment-format-dos (24478)

Low Risk

Description:

MediaWiki is vulnerable to a denial of service attack caused by improper handling of edit comment formatting. A remote attacker could exploit this vulnerability using a malformed URL to cause an infinite loop, which would result in a denial of service.

*CVSS:

Base Score:	3.5
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	2.6
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

For MediaWiki 1.4.x:
Upgrade to the latest version of MediaWiki (1.4.14 or later), available from the MediaWiki Download Web page. See References.

For MediaWiki 1.3.x:
Upgrade to the latest version of MediaWiki (1.5.6 or later), available from the MediaWiki Download Web page. See References.

References:

• Release Name: MediaWiki 1.5.6: MediaWiki release notes.
• CVE-2006-0322: Unspecified vulnerability the edit comment formatting functionality in MediaWiki 1.5.x before 1.5.6 and 1.4.x before 1.4.14 allows attackers to cause a denial of service (infinite loop) via certain malformed links.
• SA18711: MediaWiki Edit Comment Formatting Denial of Service
• SUSE-SR:2006:003: SUSE Security Summary Report
• VUPEN/ADV-2006-0392: MediaWiki Edit Comment Feature Remote Denial of Service Vulnerability

Platforms Affected:

• Wikimedia Foundation MediaWiki 1.4.x before 1.4.14
• Wikimedia Foundation MediaWiki 1.5.x before 1.5.6

Reported:

Feb 03, 2006

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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